feature: @putout/cli-process-file: printer: package.json

Author: coderaiser

packages/cli-process-file/lib/printer/printer.mjs

@@ -18,23 +18,36 @@ const JSON = {
     },
 };
 
+const PACKAGE = {
+    ...JSON,
+    format: {
+        ...JSON.format,
+        indent: '  ',
+    },
+};
+
 export const configurePrinter = (name, printerOptions) => {
     const [printer = 'putout', options = {}] = maybeArray(printerOptions);
-    const ext = name
-        .split('.')
-        .pop();
 
     if (printer !== 'putout')
         return printerOptions;
 
-    const mergedOptions = deepMerge(parseOptions(ext), options);
+    const mergedOptions = deepMerge(parseOptions(name), options);
 
     return [printer, mergedOptions];
 };
 
-function parseOptions(ext) {
-    if (ext === 'json')
+function parseOptions(name) {
+    const ext = name
+        .split('.')
+        .pop();
+    
+    if (ext === 'json') {
+        if (name.endsWith('package.json'))
+            return PACKAGE;
+        
         return JSON;
+    }
 
     if (ext === 'yml{json}')
         return JSON;

packages/cli-process-file/lib/printer/printer.spec.mjs

@@ -53,6 +53,22 @@ test('putout: cli: printer: md{js}', (t) => {
     t.end();
 });
 
+test('putout: cli: printer: json: package.json', (t) => {
+    const result = configurePrinter('/package.json');
+    const expected = ['putout', {
+        format: {
+            quote: '"',
+            indent: '  ',
+        },
+        semantics: {
+            trailingComma: false,
+        },
+    }];
+    
+    t.deepEqual(result, expected);
+    t.end();
+});
+
 test('putout: cli: printer: printer: md{ts}', (t) => {
     const result = configurePrinter('hello.md{ts}', ['putout', {}]);